FR746114A - Negative electrical resistance - Google Patents

Negative electrical resistance

Info

Publication number
FR746114A
FR746114A FR746114DA FR746114A FR 746114 A FR746114 A FR 746114A FR 746114D A FR746114D A FR 746114DA FR 746114 A FR746114 A FR 746114A
Authority
FR
France
Prior art keywords
electrical resistance
negative electrical
negative
resistance
electrical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR746114A publication Critical patent/FR746114A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/38—Cold-cathode tubes
    • H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
FR746114D 1931-11-28 1932-11-18 Negative electrical resistance Expired FR746114A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL59321A NL36228C (en) 1931-11-28 1931-11-28
GB32777/32A GB415373A (en) 1931-11-28 1932-11-19 Improvements in or relating to negative electric resistances

Publications (1)

Publication Number Publication Date
FR746114A true FR746114A (en) 1933-05-23

Family

ID=32510442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746114D Expired FR746114A (en) 1931-11-28 1932-11-18 Negative electrical resistance

Country Status (5)

Country Link
US (1) US2044591A (en)
DE (1) DE625821C (en)
FR (1) FR746114A (en)
GB (1) GB415373A (en)
NL (1) NL36228C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564157A (en) * 1947-06-12 1951-08-14 Eknayan Hrant Electric heating system and method of heating
US2702355A (en) * 1948-02-26 1955-02-15 Centre Nat Rech Scient Adjustable voltage glow discharge device
US4320435A (en) * 1979-03-06 1982-03-16 Tii Industries, Inc. Surge arrester assembly

Also Published As

Publication number Publication date
DE625821C (en) 1936-02-15
NL36228C (en) 1935-09-16
US2044591A (en) 1936-06-16
GB415373A (en) 1934-08-23

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